KR4BOB
Active2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderZsolczai, Eric S
License ClassGeneral
Min. Class RequiredTechnician
LocationSorrento, FL
Grant DateFeb 20, 2025
Expiration DateFeb 20, 2035
KR4BOB is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Zsolczai, Eric S in Sorrento, FL. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Baird, Robert W on Dec 9, 2025. KR4BOB has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .-. ....- -... --- -...
CW Weight: 40 units(Moderate)
Voice Phonetics
Kilo Romeo Four Bravo Oscar Bravo
Readability: 7/10(Good readability)
License History
- License ModifiedFeb 20, 2026
- Administrative Update AppliedFeb 25, 2025
- System-Generated GrantFeb 20, 2025
- License IssuedFeb 20, 2025
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Baird, Robert WFiled Dec 9, 2025Not awardedFCC ↗